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Old 04-25-2020, 07:08 PM   #1
Johns66
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1966 Chevy Truck rear end

Any advice on this, looks like water got in the rear.

See photos.
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Old 04-25-2020, 10:04 PM   #2
Captainfab
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Re: 1966 Chevy Truck rear end

I would wire brush the gears the best you can, and then rinse it all out with either brake cleaner or carb cleaner. Then a new gasket and fresh 75W90 gear oil and drive it a hundred or so miles, see how it sounds and then change the oil again.
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Old 04-25-2020, 11:34 PM   #3
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Re: 1966 Chevy Truck rear end

Same.

Old Chevy's can run like crap without even knowing it, for a very long time.

If it's reasonably quiet, you dodged a bullet; run with it.

If it's death incarnate, well, it was buggered anyway. You won't be making "already-buggered" any worse by driving it.
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Old 04-26-2020, 10:04 AM   #4
AcampoDave
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Re: 1966 Chevy Truck rear end

That happened to me once too. It was doomed. Here's the thread I started. http://67-72chevytrucks.com/vboard/s...d.php?t=782519
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Old 04-26-2020, 11:36 AM   #5
Johns66
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Re: 1966 Chevy Truck rear end

Thanks guys that will be the plan.
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Old 04-26-2020, 05:38 PM   #6
bama63
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Re: 1966 Chevy Truck rear end

Quote:
Originally Posted by Captainfab View Post
I would wire brush the gears the best you can, and then rinse it all out with either brake cleaner or carb cleaner. Then a new gasket and fresh 75W90 gear oil and drive it a hundred or so miles, see how it sounds and then change the oil again.
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Old 04-26-2020, 06:32 PM   #7
Johns66
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Re: 1966 Chevy Truck rear end

Got the axles out but somehow the pinion gear got turned and both spider gears of feel out.

Any trick to getting those back in.
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Old 04-26-2020, 07:48 PM   #8
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Re: 1966 Chevy Truck rear end

Put them in the openings on either side, then turn the axles/side-gears to "walk" them in.
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Old 04-29-2020, 03:10 PM   #9
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Re: 1966 Chevy Truck rear end

Hold the gears in line with their thrust washer on the case. Get both in and slowly turn the case till you can get the pin back in
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